Datasheet

www.recom-power.com
REV.: 4/2019 I-5
DC/DC Converter
Specifications (measured @ Ta= 25°C, 10% minimum load, unless otherwise stated)
R-78Bxx-1.5(L)
Series
INSTALLATION AND APPLICATION
continued on next page
High Efficiency Multiple Output
Application Examples
C2
C1
+V
in
-V
in
RP10-4812SEW
+12V @ 0.1A
0V @ 1A
- High isolation voltage - 1.6kV
- Improved load / line regulation
- Wide input voltage range - 18~75VDC
- Point-of-load architecture
- C1 is required. Further decoupling filtering
may be necessary between the converters
C2, C3: optional
C3
R-78Bxx-1.5
GND
+V
out
+V
in
R-78B5.0-1.5
GND
+V
out
+V
in
R-78B3.3-1.5
GND
+V
out
+V
in
22µF
+V
in
GND
-15V @ 66mA
+5V Rtn
+15V @ 66mA
0V Isolated Com
P05P215D/P
+5V @ 1A
+5V @ 1.5A
+3.3V @ 1.5A
- Wide input range suits both 12V and 7.2V battery packs
- 5.2kV isolated short circuit protected outputs for analogue circuits, e.g. medical grade interface
- High efficiency +5V/1A protected output for digital circuits
- Further decoupling filtering may be necessary between the converters
+V
in
+V
out
GNDGND
R-78Bxx-1.5
GND
+V
out
+V
in
Typical Application Circuit
Bottom View
Top View
321
321
8.511.5
17.5
4.10
2.00
0.51
0.70
+0.10/-0.05
0.25
±0.05
2.54
2.54
Marking
embossed logo
3.21 5.08
embossed logo
Bottom View
Top View
3
21
3
21
2.00
19.0
4.10
6.10
90-93°
Marking
8.5
11.5
0.70
+0.10/-0.05
5.08
17.5
1.50
0.25
±0.05
0.51
2.54
2.54
Dimension Drawing (mm)
Pin Connections
Pin # Single
1 +Vin
2 GND
3 +Vout
Tolerance: xx.x= ±0.5mm
xx.xx= ±0.25mm
Recommended Footprint Details
Recommended Footprint Details
with suffix “L” bent pins